164432452 has 6 divisors (see below), whose sum is σ = 287756798. Its totient is φ = 82216224.

The previous prime is 164432431. The next prime is 164432459. The reversal of 164432452 is 254234461.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 23677956 = 11864^2 + 4866^2 .

It is a super-3 number, since 3×164432452³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164432459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20554053 + ... + 20554060.

Almost surely, 2^164432452 is an apocalyptic number.

It is an amenable number.

164432452 is a deficient number, since it is larger than the sum of its proper divisors (123324346).

164432452 is a wasteful number, since it uses less digits than its factorization.

164432452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41108117 (or 41108115 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 164432452 is about 12823.1217727978. The cubic root of 164432452 is about 547.8510659611.

The spelling of 164432452 in words is "one hundred sixty-four million, four hundred thirty-two thousand, four hundred fifty-two".